Коррекция орбиты некоторых периодических комет от 10 июля ..

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Коррекция орбиты некоторых периодических комет от 10 июля 2025 года, MPEC 2025-N86

Orbital elements:
47P/Ashbrook-Jackson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 27.96556 TT Pike
q 2.8074792 (2000.0) P Q
n 0.11794890 Peri. 357.90785 +0.99592118 +0.08938973
a 4.1178778 Node 356.88306 -0.07916041 +0.80041125
e 0.3182218 Incl. 13.03826 -0.04329699 +0.59274895
P 8.36
From 1444 observations 2012 Feb. 15-2025 July 10, mean residual 0".7.
Nongravitational parameters A1 = -0.09, A2 = -0.0095.

48P/Johnson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 2.63973 TT Pike
q 2.0065817 (2000.0) P Q
n 0.15057510 Peri. 216.77306 +0.82441607 +0.53002372
a 3.4991880 Node 110.06408 -0.45580910 +0.82968869
e 0.4265579 Incl. 12.20173 -0.33552377 +0.17519002
P 6.55
From 999 observations 2018 Feb. 16-2025 July 3, mean residual 0".6.
Nongravitational parameters A1 = +0.38, A2 = +0.0459.

65P/Gunn
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 June 16.49644 TT Pike
q 2.9262524 (2000.0) P Q
n 0.12836219 Peri. 213.67892 +0.09226979 +0.98573451
a 3.8920460 Node 61.97580 -0.87478504 +0.14777522
e 0.2481455 Incl. 9.17543 -0.47564422 -0.08056028
P 7.68
From 3156 observations 2013 Jan. 1-2025 July 5, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0219.

78P/Gehrels
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 June 25.01586 TT Pike
q 2.0047896 (2000.0) P Q
n 0.13660463 Peri. 192.75200 +0.72895156 -0.68232599
a 3.7338692 Node 210.50527 +0.63725790 +0.70587896
e 0.4630798 Incl. 6.25707 +0.25006396 +0.19017395
P 7.22
From 2358 observations 2018 May 15-2025 July 9, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1749.

145P/Shoemaker-Levy
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 31.90113 TT Pike
q 1.8898536 (2000.0) P Q
n 0.11740125 Peri. 10.40011 +0.79840245 -0.59564591
a 4.1306739 Node 26.77122 +0.53744485 +0.63900939
e 0.5424830 Incl. 11.27769 +0.27148951 +0.48669595
P 8.40
From 896 observations 1991 Sept. 12-2025 July 2, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0152.

217P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 May 24.94402 TT Pike
q 1.2263740 (2000.0) P Q
n 0.12582731 Peri. 247.03579 +0.95779639 -0.22284766
a 3.9441440 Node 125.37158 +0.26640541 +0.92540811
e 0.6890646 Incl. 12.86548 -0.10795479 +0.30652691
P 7.83
From 3328 observations 2001 June 21-2025 July 8, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.

240P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 19.93525 TT Pike
q 2.1217872 (2000.0) P Q
n 0.12994533 Peri. 352.06799 +0.37997215 -0.84080442
a 3.8603700 Node 74.91169 +0.86908244 +0.18177842
e 0.4503669 Incl. 23.53714 +0.31672840 +0.50990639
P 7.58
From 99 observations 2020 Mar. 23-2025 July 10, mean residual 0".5.
Nongravitational parameters A1 = -2.13, A2 = +0.5235.

261P/Larson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 27.39741 TT Pike
q 2.0142128 (2000.0) P Q
n 0.15118534 Peri. 67.36168 +0.99478169 +0.02568964
a 3.4897656 Node 291.05069 -0.06596905 +0.90021892
e 0.4228229 Incl. 6.07326 +0.07782982 +0.43467911
P 6.52
From 1038 observations 2005 July 3-2025 July 3, mean residual 0".8.
Nongravitational parameters A1 = +0.16, A2 = +0.0841.

302P/Lemmon-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 9.40270 TT Pike
q 3.2886292 (2000.0) P Q
n 0.11180297 Peri. 208.62596 +0.86673182 +0.49068884
a 4.2674375 Node 121.71564 -0.43523875 +0.83164937
e 0.2293668 Incl. 6.03563 -0.24360457 +0.25996883
P 8.82
From 490 observations 2007 Aug. 16-2025 July 7, mean residual 0".6.

351P/Wiegert-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 26.14397 TT Pike
q 3.1319255 (2000.0) P Q
n 0.10532262 Peri. 352.56024 +0.10668327 +0.97073084
a 4.4407360 Node 283.38416 -0.90047539 +0.00256110
e 0.2947283 Incl. 12.77849 -0.42161920 +0.24015637
P 9.36
From 140 observations 1998 Oct. 18-2025 July 8, mean residual 0".6.

491P/Spacewatch-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Sept. 6.05785 TT Pike
q 3.7165003 (2000.0) P Q
n 0.08780005 Peri. 298.88896 -0.32387717 +0.93826017
a 5.0134828 Node 311.68473 -0.80144888 -0.34035320
e 0.2586989 Incl. 9.36605 -0.50277556 -0.06186727
P 11.2
From 313 observations 2013 May 4-2025 July 7, mean residual 0".6.